Tales from the Crypt (1989)

S3E10 Deadline

Charlie Mackenzie, a struggling journalist yearning for a fresh start, finds hope when he encounters an enchanting woman at his favorite bar. Shortly after, he secures his job back on the condition that he delivers a compelling murder story. While dining at a Greek restaurant one evening, he overhears the owner attacking his girlfriend. After interviewing him, Charlie investigates and discovers that the victim is actually his own girlfriend, Vicky. In a chilling twist, Charlie strangles her to ensure the newspaper has sufficient evidence, leading to his descent into madness and confinement in a mental hospital.